const guid = () => { // 获取随机ID，组件拖到预览视图后就会被设置个ID
  function s4() {
    return Math.floor((1 + Math.random()) * 0x10000)
      .toString(16)
      .substring(1);
  }
  return `${s4() + s4()}-${s4()}`;
};
export default guid;
